The holiday came to an end all … soon.

Analyze the question The sentence is "The holiday came to an end all __ soon." We need the word that fits with "all" and "soon" to form a correct, natural expression.

Explain the concept "All too" is a common English idiom meaning "unfortunately, more than is desirable." It is used before adjectives and adverbs, usually to express regret.

• The weekend passed all too quickly.
• The exams came all too soon.

Test each option

• A. too: "all too soon" is a standard idiom and means the holiday ended sooner than the speaker wanted. ✔
• B. rather: "all rather soon" is not an English idiom. ✘
• C. much: "all much soon" is ungrammatical. ✘
• D. more: "all more soon" is ungrammatical. ✘

Answer The holiday came to an end all too soon.

Exam tip Memorize the "all too + adjective/adverb" pattern (all too easy, all too often, all too soon). When "all" is followed by a blank and then an adverb, "too" is usually the answer.